Large variation in radiation dose for routine abdomen CT: reasons for excess and easy tips for reduction
Rebecca Smith-Bindman,
Taewoon Kang,
Philip W. Chu
et al.
Abstract:Objective
To characterize the use and impact of radiation dose reduction techniques in actual practice for routine abdomen CT.
Methods
We retrospectively analyzed consecutive routine abdomen CT scans in adults from a large dose registry, contributed by 95 hospitals and imaging facilities. Grouping exams into deciles by, first, patient size, and second, size-adjusted dose length product (DLP), we summarized dose and technical parameters and estimated which … Show more
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